misc: Disable the color in the default setting
misc: Disable the color in the default setting

When forwarding the log messages to logger or systemd the ansi
escape sequence can confuse the app collecting the data.

shimaore/osmo-bts,shimaore/osmo-bts,shimaore/osmo-bts,osmocom/osmo-bts,geosphere/osmo-bts,geosphere/osmo-bts,osmocom/osmo-bts,shimaore/osmo-bts,osmocom/osmo-bts,telenoobie/osmo-bts,geosphere/osmo-bts,telenoobie/osmo-bts,telenoobie/osmo-bts,telenoobie/osmo-bts,geosphere/osmo-bts